Lori Tobias/The OregonianA Coast Guard motor lifeboat plows the water between the south and north jetties outside Yaquina Bay on another rescue mission.

Two men on an Astoria-based fishing vessel that’s been adrift in the Pacific Ocean since Monday are alive and well off the coast of Florence.

The men, who were not identified, contacted the Coast Guard station in North Bend about 8 a.m., saying their boat, "The Dahlia," had lost power and spent five days powered by the ocean current. They said they were fine and in waters off Florence.

The Coast Guard launched a 47-foot life boat from the Siuslaw River shortly afterwards to tow the vessel back to shore. Officials also sent a Coast Guard HH-65 Dolphin helicopter from Newport to pin down its location and see whether the men need any supplies.

“They want to make sure everybody is OK and that they have food and water,” said Chief Robert Lanier, a spokesman for the Coast Guard in Seattle, which has been in charge of the search.

The men sent a text message on Monday to a friend or relative, saying they were dead in the water 35 nautical miles off Astoria, where they set off early Sunday on a five-day tuna fishing trip. That person called 9-1-1 in Eugene, prompting a Coast Guard search of the area on Tuesday with a long-range C-130 aircraft stationed in Sacramento.

That trip yielded nothing.

“We didn’t know if it was north or south of Astoria,” Lanier said.

On Wednesday, the C-130 searched again as officials evaluated the area to try to narrow down a location. Then on Thursday, officials launched the cutter Fir, based in Astoria, along with a HH-60 Jayhawk and a HH-65 Dolphin helicopter.

The life boat is expected to reach the vessel about 10 a.m., plowing through 5-foot waves at sea. Though the trip is expected to end well, it won't be bountiful for the men.